US2496846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Communication system
Assignee: Raytheon Co
•
Filing: 1947-03-18
•
Granted: 1950-02-07
•
Expires: 1967-03-18
Abstract
No abstract record available.
Inventors
- 👤 Richard F Baum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:45
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/54; H04B1/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1688872A
Cited
US2233183A
Cited
US2287044A
Cited
US2298409A
Cited
US2358382A
Cited
US2333719A
Cited
US2408791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |